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Clinochlore
Clinochlore

Cinnabar
Cinnabar



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Clinochlore
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Cinnabar

Clinochlore and Cinnabar Optical Properties

Optical Properties

Luster

Pearly, Greasy
Adamantine

Pleochroism

Distinct: light yellow-green to light bluE
-

Dispersion

0.020.06
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.571-1.5972.905-3.25
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Clinochlore and Cinnabar Optic Character

Clinochlore and Cinnabar optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Clinochlore and Cinnabar Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Clinochlore and Cinnabar optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character. Clinochlore has Biaxial/+ character.

Clinochlore and Cinnabar Transparency

Similar to their colors, Clinochlore and Cinnabar transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Clinochlore is Transparent while Clinochlore is Transparent in appearance.